The calculated distance (air line) between Sham Tseng and Yau Tong is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Yau Tong is certainly longer, as only the direct route (as the crow flies) between Sham Tseng and Yau Tong has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles